CVE-2021-42006 json
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have un…
published 2021-10-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28996
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
An out-of-bounds access in GffLine::GffLine in gff.cpp in GCLib 0.12.7 allows an attacker to cause a segmentation fault or possibly have unspecified other impact via a crafted GFF file.
Patch / fix
- libgclib Debian 14, Debian 13, Debian 12 0.12.7+ds-2
debian advisories DEBIAN-CVE-2021-42006
- github.com/gpertea/gclib/issues/11 advisory
Exploit prediction
1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/gpertea/gclib/issues/11 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/gpertea/gclib/issues/11
exploit, issue-tracking, patch, third-party-advisory
Sources
- CVE List CVE-2021-42006
- NVD CVE-2021-42006
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